Control panel for a guitar amplifier



FIG. 1 is a front view of a control panel for a guitar amplifier showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a control panel for a guitar amplifier, as shown and described. 